<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>文件上传示例</title>
</head>
<body>
<!-- 需要调整页面：设置action为/upload，表示要将表单数据提交到/upload -->
<form action="/upload" method="post" enctype="multipart/form-data">
    <input type="file" name="file" multiple> <br>
    <input type="submit" value="上传">
</form>
</body>
</html>